Analogue-sequencer

hi Colin, 
i've uploaded the latest version of the firmware, after backing up my 
sequences of course...but some things happened that i'd like to check:
firstly, when uploading the firmware via midiOX, with midi-in and -
out connected to my pc, i got a continual 'BAD DATA' message. i had 
this twice, then i disconnected the midi-out and it worked fine. o i 
just realised this may be because i had 'sysex thru' on in midiOX..
and secondly i'd like to know how a sysex-dump back to the p3 is 
supposed to end, as i now didn't get anything like a 'done' message. 
it just stopped receiving data and the display read 'abort' over f3. 
i hit abort and it all works fine and all parts & patterns are back 
in place, but it got me kinda nervous..